Heat exchange – Intermediate fluent heat exchange material receiving and... – Reversible chemical reaction
Patent
1996-01-04
1999-01-26
Lazarus, Ira S.
Heat exchange
Intermediate fluent heat exchange material receiving and...
Reversible chemical reaction
62480, 62482, 62477, F28D 1500
Patent
active
058628550
ABSTRACT:
A hydride bed structure includes a first and second set of separated hydride modules within a single hydrogen containing, sealed tank. Each set contains a hydride having a different equilibrium disassociation characteristic. Each set is thermally isolated from the other and the enclosing tank by a hydrogen permeable, thermally insulating material. The hydride in each set is divided into a plurality of spaced apart clusters with each cluster disposed in a respective concave cavity defined in one side of a sheet of thermally conductive material. A hydrogen porous, hydride impermeable member seals each cluster within the respective cavity. The convex side of the cavity protrudes into a thermal media transfer cavity on the opposite side of the sheet. The spacing and arrangement of the cavities/protrusions define a channel array between the protrusions. A pan member is bonded to the opposite side of the sheet and defines the thermal media cavity shaped to receive the protrusions therein. The thermal transfer media cavity contains a thermal transfer media disposed to flow in and around the channels defined therein. Thermal media flows into and out of the media cavities by media connections to external heat sinks/sources provided thereon. The spacing, configuration, area, and depth of the cluster cavities and the cluster quantity of hydride contained therein is chosen to provide improved cycle time and efficiency for using the hydride bed modules for pumping heat or storing and supplying hydrogen gas.
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Atkinson Christopher
Lazarus Ira S.
Steres George M.
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